.banner12{margin:0 auto;margin-bottom: 12px;margin-top:0px;width:1000px}
.banner12 img{width: 498px;}
#nav{background-color:#e1eef7;}
#nav button{display:inline-block;font-size:18px;width:88px;height:32px;line-height:25px;text-align:center;padding:5px;border:0;background-color:#e1eef7;}
#nav .active{background-color:#0982a1;color:#fff;}
.notice ul{display:none;}
.notice ul.on{display:block;}
#navGroupChat{width:240px;height:30px;}
#navGroupChat li{
  display: inline-block;
  width:120px;float:left;
  text-align: center;
  line-height: 30px;
  font-size: 16px;
  font-weight:bold;
  border-bottom: 1px solid #c3d4e7;
}
#navGroupChat .active{background-image: linear-gradient(#fff, #b2f9f8);color:#1e50a2;}
.iconsgropuchat{padding-left: 2px;display: inline-block;}
#navEduNews{width:240px;height:30px;}
#navEduNews li{
  display: inline-block;
  width:120px;float:left;
  text-align: center;
  line-height: 30px;
  font-size: 16px;
  font-weight:bold;
  border-bottom: 1px solid #c3d4e7;
}
#navEduNews .active{background-image: linear-gradient(#fff, #b2f9f8);color:#1e50a2;}
.edunews li{width:220px;height:25px;display: inline-block;float: left;text-align: left;font-size: 12px;margin-left:10px;margin-top: 2px;}
.edunews li>span{width:20px;height:20px;display: inline-block;text-align: center;line-height: 20px;font-size: 12px;}
.edunews li>span.on{background-color: #145ccd;color: #fff;}
.edunews li>span:hover{background-color: #145ccd;color: #fff;}
.edunews li>a{padding-left: 5px;}
.col-ding-3 .c_right .school .zsyxlist li img{
	height:auto;
}